This course will inform students of the neurological basis of sleep. The anatomical brain regions responsible for sleep and waking, as well as endogenous neurochemicals modulating sleep and wake will be discussed. In the second half of this course, the effects of pharmacological compounds on sleep architecture are described. Enrollment Requirements: PREREQUISITE: PSG 100; AND COREQUISITE: PSG 101, PSG 102, AND PSG 106 (PSG 101, 102, AND 106 MUST BE TAKEN TOGETHER.) OPEN ONLY TO POLYSOMNOGRAPHIC TECHNOLOGY MAJORS.